Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 13, NWS San Angelo, TX

April 26, 1998Throckmorton County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 26, 1998, 6:19 PM CDT for Throckmorton County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 26, 1998, 6:19 PM CDT (23:19 UTC)
Expired
Apr 26, 1998, 7:05 PM CDT
In force
46 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Throckmorton County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 26, 3:00 PM CDTTornado WatchSPC6 hr
Apr 26, 4:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.3 hours before the alert went out and 183 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 1998-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 177 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 1998-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
177 J/kg
Mixed-layer CIN
-328 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSJT 262319 RRA
TORSJT
TXC447-270005-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
619 PM CDT SUN APR 26 1998

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  THROCKMORTON COUNTY IN NORTHWESTERN TEXAS

* UNTIL 705 PM CDT

* AT 618 PM CDT... DOPPLER RADAR AT MORAN INDICATED A DEVELOPING
  TORNADO 5 MILES SOUTH OF THROCKMORTON MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEA*R...
  WOODSON AT 630 PM CDT

ABANDON MOBILE HOMES! GO IN A NEARBY STURDY BUILDING. AS A LAST
RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD.

PMC

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 2:33 PM CDTSevere Thunderstorm WarningSJTNolan32 min
Apr 26, 2:37 PM CDTSevere Thunderstorm WarningSJTRunnels63 min
Apr 26, 2:47 PM CDTSevere Thunderstorm WarningSJTColeman63 min
Apr 26, 3:18 PM CDTSevere Thunderstorm WarningSJTTaylor47 min
Apr 26, 3:20 PM CDTTornado WarningSJTColeman, McCulloch45 min
Apr 26, 3:41 PM CDTSevere Thunderstorm WarningSJTBrown59 min
Apr 26, 3:42 PM CDTTornado WarningSJTBrown63 min
Apr 26, 3:50 PM CDTSevere Thunderstorm WarningSJTColeman35 min
Apr 26, 3:56 PM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford49 min
Apr 26, 4:14 PM CDTTornado WarningSJTShackelford46 min
Apr 26, 4:39 PM CDTTornado WarningSJTHaskell61 min
Apr 26, 5:29 PM CDTSevere Thunderstorm WarningSJTThrockmorton61 min
Apr 26, 5:40 PM CDTSevere Thunderstorm WarningSJTHaskell20 min
Apr 26, 5:54 PM CDTTornado WarningSJTShackelford51 min
Apr 26, 5:58 PM CDTSevere Thunderstorm WarningSJTFisher47 min
Apr 26, 6:08 PM CDTSevere Thunderstorm WarningSJTSan Saba62 min

Nearby

Tornado Warnings in Texas, 1998Every tornado warning in 1998Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.